Samsung R400
Programming Instructions
  1. Power the phone on
  2. Press the menu key
  3. Go to settings and highlight over the display menu
  4. Press * then enter 000000 followed by OK
  5. Scroll to Network Settings and select NAM 1
  6. Select Phone Number and enter 10 digit number followed by OK
  7. Select MIN and enter 10 digit number followed by OK
  8. Press the left soft key and the phone will power cycle, programming is now complete
Diagnostic Mode
Additional Troubleshooting
If you are in the United States of America and own a phone that was purchased before January 26th, 2013, you may legally unlock or flash your device in accordance with exemptions in the Digital Millennium Copyright Act. Cellphone unlocking and flashing will now be no longer be exempted from the regulations specified within the Digital Millennium Copyright Act for cellphones that were purchased after January 26, 2013, unless you have permission from the service provider your phones was originally locked to or purchased from.

We will not be able provide any advice, service, or support for an USA service provider's cellular phones or smartphones that were purchased on January 26, 2013 or thereafter.

By using our software, information, support, or intellectual property you agree not to hold CyberFlashing, LLC liable or responsible for any consequences that may result from unlocking or flashing phones that were purchased after January 26th, 2013. You accept full responsibility for complying with all local, national and international laws.

CyberFlashing, LLC will not knowingly give any advice or provide any service to anyone who wishes to unlock or flash a phone that was purchased from any USA service provider on or after January 26, 2013 without carrier permission.

For more information click here for the Digital Millennium Copyright Act.